V16
EC2SB SERIES
10 WATT 2:1 INPUT
DC-DC CONVERTERS
FEATURES
* 10W Isolated Output
* Efficiency to 87%
* 2:1 Input Range
* Regulated Outputs
* Fixed Switching Frequency
* Input Under Voltage Protection
* Over Current Protection
* Remote On/Off
* Continuous Short Circuit Protection
* Conductive EMI Meets EN55022 Class A
* Without Tantalum Capacitors Inside
* CE Mark Meets 2004/108/EC
* Safety Meets UL60950-1, EN60950-1, and IEC60950-1
OUTPUT CURRENT INPUT CURRENT
MODEL INPUT OUTPUT % CAPACITOR
NUMBER VOLTAGE VOLTAGE EFF. LOAD MAX.
MIN. MAX. NO LOAD FULL LOAD
EC2SB-05S33 3.3 VDC 0 mA 2500 mA 120 mA 1897 mA 87
4.7-9 VDC 2470uF
EC2SB-05S05 5 VDC 0 mA 2000 mA 120 mA 2299 mA 87
4.7-9 VDC 2000uF
EC2SB-05S12 12 VDC 0 mA 833 mA 50 mA 2298 mA 87
4.7-9 VDC 940uF
EC2SB-05S15 15 VDC 0 mA 666 mA 50 mA 2297 mA 87
4.7-9 VDC 690uF
EC2SB-05D05 5 VDC 0 mA 1000 mA 50 mA 2353 mA 85 1000uF
4.7-9 VDC
EC2SB-05D12 12 VDC 0 mA 416 mA 50 mA 2295 mA 87 440uF
4.7-9 VDC
EC2SB-05D15 15 VDC 0 mA 333 mA 50 mA 2297 mA 87 330uF
4.7-9 VDC
EC2SB-12S33 9-18 VDC 3.3 VDC 0 mA 2500 mA 30 mA 82
838 mA 2470uF
EC2SB-12S05 9-18 VDC 5 VDC 0 mA 2000 mA 30 mA 980 mA 85
2000uF
EC2SB-12S12 9-18 VDC 12 VDC 0 mA 833 mA 35 mA 957 mA 87
940uF
EC2SB-12S15 9-18 VDC 15 VDC 0 mA 666 mA 35 mA 956 mA 87
690uF
EC2SB-12D05 9-18 VDC 5 VDC 0 mA 1000 mA 45 mA 85 1000uF
980 mA
EC2SB-12D12 9-18 VDC 12 VDC 0 mA 416 mA 45 mA 87 440uF
957 mA
EC2SB-12D15 9-18 VDC 15 VDC 0 mA 333 mA 45 mA 87 330uF
957 mA
EC2SB-24S33 18-36 VDC 3.3 VDC 0 mA 2500 mA 25 mA 419 mA 82
2470uF
EC2SB-24S05 18-36 VDC 5 VDC 0 mA 2000 mA 25 mA 490 mA 85
2000uF
EC2SB-24S12 18-36 VDC 12 VDC 0 mA 833 mA 25 mA 478 mA 87
940uF
EC2SB-24S15 18-36 VDC 15 VDC 0 mA 666 mA 25 mA 478 mA 87
690uF
EC2SB-24D05 18-36 VDC 5 VDC 0 mA 1000 mA 25 mA 85 1000uF
490 mA
EC2SB-24D12 18-36 VDC 12 VDC 0 mA 416 mA 25 mA 87 440uF
478 mA
EC2SB-24D15 18-36 VDC 15 VDC 0 mA 333 mA 25 mA 87 330uF
478 mA
EC2SB-48S33 36-75 VDC 3.3 VDC 0 mA 2500 mA 20 mA 212 mA 81
2470uF
EC2SB-48S05 36-75 VDC 5 VDC 0 mA 2000 mA 20 mA 245 mA 85
2000uF
EC2SB-48S12 36-75 VDC 12 VDC 0 mA 833 mA 20 mA 239 mA 87
940uF
EC2SB-48S15 36-75 VDC 15 VDC 0 mA 666 mA 20 mA 239 mA 87
690uF
EC2SB-48D05 36-75 VDC 5 VDC 0 mA 1000 mA 85 1000uF
20 mA 245 mA
EC2SB-48D12 36-75 VDC 12 VDC 0 mA 416 mA 87 440uF
20 mA 239 mA
EC2SB-48D15 36-75 VDC 15 VDC 0 mA 333 mA 87 330uF
20 mA 239 mA
NOTE: 1. Nominal Input Voltage 5, 12, 24 or 48 VDC
1 V16
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted
INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS:
Input Voltage Range .................... 5V ..................... 4.7 - 9V Efficiency ......................................................... See Table
12V .................. 9 - 18V Isolation Voltage ............................................ 1500 VDC min.
9
24V ..... 18 36V Isolation Resistance ........................ 10 ohm min.
48V ...... 36 75V Isolation Capacitance .... 1000pF typ.
Under voltage lockout . 5Vin power up: 4.4V, ... power down: 4.2V Switching Frequency .................................................. 350KHz typ.
12Vin power up: 8.8V, .... power down: 8V EMI/RFI . (Standard) . Conductive EMI Meets EN55022 Class A
24Vin power up: 17V, ... power down: 16V Operating Ambient Temperature Range ............ -40 to +85
48Vin power up: 34V, ... power down: 32V
Derating, Above 71 ... Linearly to Zero Power at +105
Input Surge Voltage (100mS max.) ... EC2SB-05Sxx/05Dxx . 12Vdc max. Case Temperature (note4) .. 105 max.
EC2SB-12Sxx/12Dxx ... 25Vdc max. Cooling Natural Convection
EC2SB-24Sxx/24Dxx .... 50Vdc max.
Storage Temperature Range .......................... -55 to +125
EC2SB-48Sxx/48Dxx .. 100Vdc max. Humidity .. 95% RH max. Non condensing
Input Filter ... Standard . PI Type
MTBF MIL-STD-217-F, GB, 25 , Full Load 1200Khrs typ.
SMD .... LC Type Dimensions ..... Standard .... 1.00x1.00x0.4 inches (25.4x25.4x10.2 mm)
Positive Logic Remote on/off Control: SMD . 1.00x1.00x0.36 inches (25.4x25.4x9.2 mm)
Logic Compatibility .. CMOS or Open Collector TTL Case Material .. Black Coated Copper with Non-Conductive Base
Weight ... 18g
Module On .. >+5.5V to 75VDC or Open Circuit
Module Off .... <1.2VDC
NOTE:
1. Measured from high line to low line.
OUTPUT SPECIFICATIONS:
Voltage Accuracy ........... 1.5% max. 2. Measured from full load to min. load.
Voltage Balance (Dual) ... 2.0% max. 3. The output ripple and noise is measured with 10uF tantalum and 1uF
Transient Response: 25% Step Load Change ................... <500us. ceramic capacitor across output.
Ripple and Noise, 20MHz BW (note3) ... 50mV pk-pk max. 4. Maximum case temperature under any operating condition should
SMD .. 100mV pk-pk max. not be exceeded 105.
5. Suffix S to the model number with SMD packages.
Temperature Coefficient ............................ 0.03%/ max.
Short Circuit Protection ........................... Continuous
Line Regulation (note1) .... Single ...... 0.2% max.
Typical Derating curve for Natural Convection
SMD ........ 0.3% max.
120%
71
-40
Dual ......... 0.5% max.
100%
Load Regulation (note2) .... Single .............. 0.2% max.
80%
SMD ..... 0.5% max.
60%
Dual .. 1.0% max.
Cross Regulation (Dual output) Load cross variation 10%/100% . 5% max.
40% Natural Convection
Over Voltage Protection . Zener or TVS Clamp
20%
External Trim Adj. Range (single output models only) .. 10% 105
0%
Current Limit . 110% - 140% Nominal Output
-40 -20 0 20 40 60 80 100
o
Start up time .... 20ms max.
Ambient Temperature( C)
SIZE SB Dimensions: EXTERNAL OUTPUT TRIM
+Vout +Vout
TRIM DOWN
10K Ohms
NOTE:Pin Size is 0.040.004 Inch (1.00.1 mm)DIA
TRIM TRIM
All Dimensions In Inches (mm)
TRIMPOT
Tolerances Inches: X.XX= 0.02 , X.XXX= 0.010
Millimeters: X.X= 0.5 , X.XX=0.25
TRIM UP
THROUGH-HOLE PACKAGE SMD- PACKAGE
-Vout -Vout
1.22
[30.99]
0.300 0.200 0.40
[7.62] [5.08] [10.2]
PIN CONNECTION
0.100
6 5
[2.54]
Function
2-0.400
Pin
[10.16]
6 2 1 Single Dual
2
TOP 0.800
1.00
4
[20.32] 1 +Input +Input
VIEW [25.4]
BOTTOM 1
0.40
VIEW
2 -Input -Input
[10.2]
5 4 3 3
3 +V Output +V Output
1.00 0.10
Trim Common
4
[25.4] [2.54]
0.400 0.400
min.
0.22 0.40
[10.16] [10.16] 0.110
-V Output -V Output
5
[5.6] [10.2]
[2.79]
1.00 6 Remote Remote
[25.4]
0.36
[9.2]
0.020
[0.51]
0.015
0.055
[0.38]
[1.40]
2
1.00
[25.4]
0.800 0.10
[2.5]
[20.32]
0.04
[1.0]
0.200
[5.08]
LOAD(%)